Search Schedule From Shared Calendar. ChikkuTakku is service to search schedule from shared calendar and help share calendar
詳細・申込みはこちら →https://risshi-entre.org/seminar/
https://risshi.or.jp/nmt/
https://risshi.or.jp/it_-supporter/
詳細・お申し込み→https://risshi.or.jp/it/